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CN104039717B - The glass volume that electrostatic is fixed, and its manufacture method and equipment - Google Patents

The glass volume that electrostatic is fixed, and its manufacture method and equipment Download PDF

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Publication number
CN104039717B
CN104039717B CN201280052285.2A CN201280052285A CN104039717B CN 104039717 B CN104039717 B CN 104039717B CN 201280052285 A CN201280052285 A CN 201280052285A CN 104039717 B CN104039717 B CN 104039717B
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CN
China
Prior art keywords
glass tape
sandwich material
volume
glass
charging head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201280052285.2A
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Chinese (zh)
Other versions
CN104039717A (en
Inventor
G·E·莫兹
J·E·图施
T·F·切奇亚克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Corning Inc
Original Assignee
Corning Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Publication of CN104039717A publication Critical patent/CN104039717A/en
Application granted granted Critical
Publication of CN104039717B publication Critical patent/CN104039717B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/065Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of paper or cardboard
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/066Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of foam
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04Interconnection of layers
    • B32B7/06Interconnection of layers permitting easy separation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00Unwinding, paying-out webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00Winding webs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00Winding webs
    • B65H18/28Wound package of webs
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B13/00Rolling molten glass, i.e. where the molten glass is shaped by rolling
    • C03B13/04Rolling non-patterned sheets continuously
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N13/00Clutches or holding devices using electrostatic attraction, e.g. using Johnson-Rahbek effect
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/40Type of handling process
    • B65H2301/41Winding, unwinding
    • B65H2301/412Roll
    • B65H2301/4127Roll with interleaf layer, e.g. liner
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00Handling processes for sheets or webs
    • B65H2301/50Auxiliary process performed during handling process
    • B65H2301/51Modifying a characteristic of handled material
    • B65H2301/513Modifying electric properties
    • B65H2301/5132Bringing electrostatic charge
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65HHANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00Application field
    • B65H2801/61Display device manufacture, e.g. liquid crystal displays

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Buffer Packaging (AREA)
  • Packaging Frangible Articles (AREA)
  • Packaging Of Machine Parts And Wound Products (AREA)
  • Laminated Bodies (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

The glass tape (20) and the volume (10) of sandwich material (40) arranged with alternating layer, wherein, the layer of interlay er material and adjacent glass tape is fixed by electrostatic force, the value of the electrostatic force to cause slided between sandwich material and glass tape needed for shearing force be more than or equal to 10 times that non-electrostatic causes the shearing force needed for sliding when being fixed together.Further disclose volume is wound and unwinding method, and the equipment for glass tape and sandwich material to be wound into a roll.

Description

The glass volume that electrostatic is fixed, and its manufacture method and equipment
Technical background
The priority for the U.S. Provisional Application Ser the 61/553rd, 360 submitted this application claims on October 31st, 2011, It is based on this application and its full text is incorporated herein by reference herein.
Field
The present invention relates to glass volume, the method and apparatus for further relating to wind glass.More particularly, the present invention relates to folder The volume for the glass tape that layer material is wound together, is further related to for they are wound into apparatus and method together.
Technical background
Although forming of glass is the form of continuous band, glass is just cooled down and solidified, and is generally split into sheet material.Closely Come product trend (such as in Electronic Paper forward plane substrate, the cover sheet in photovoltaic module, touch sensor, Gu State is illuminated and electronic device) result in the need for the glass of more and more thinner.But, constantly reduce with the thickness of glass, sheet glass becomes Obtain flexible increasing.This brings challenge for processing, for the glass that 0.3mm is equal to or less than especially for thickness. Therefore, attempt to be wound into a roll thin glass in order to the mode of processing.But, some unique features of glass are real for success Apply winding process and bring some challenges.
It is " flange " at the edge after forming of glass first, the thickness of the flange is significantly greater than the perseverance in region between the flange Determine thickness.Secondly, glass is extremely sensitive to surface defect.These defects produce stress point, crack and cause to crush.Therefore It is inadvisable glass is directly contacted (material is generally exactly such a situation on spool) with surface to the surface of its own 's.People solve choosing for first two characteristic strip by using various sandwich materials between the layer of glass tape in winding War.
3rd, present inventors noted that a yet unresolved issue is (on the shadow for winding thin glass tape Loud aspect, i.e. 0.3mm or thinner), the problem is that forming technology may bring different thickness on the width of glass tape And/or camber is (for example, due to the next Curved Continuous in one direction of cooling zone different degrees of between two rim lips It is bent).When being wound to the glass tape with different intersection tape thickness and/or camber, produced laterally in the volume of winding Active force so that on the volume of winding produce with certain angle and non-straight side wall.In some cases, side wall Angle may result in glass tape and be contacted with the edge of a wing of the spool for winding glass tape, so that having makes what glass tape wrecked Risk.In addition, the angled side wall of the volume causes when by volume expansion, by the glass tape for continuously manufacturing, It is difficult to processing.Accordingly, there exist one kind by together with glass tape and sandwich material winding, so that volume has more straight side The demand of the method and apparatus of wall.
4th, the present inventor, which is also noted that also, has one kind during processing, transport and storage roll with straight Mode maintain the demand of side wall.
General introduction
In order to form the volume of the winding glass tape with straight side wall, the inventors discovered that, can be by by interlayer material Material with glass tape be wound into a roll when, fixed by the electrostatic of sandwich material and glass tape, come offset different intersection tape thickness and/ Or the influence of camber etc..For example, when sandwich material and glass tape close to each other, can apply to sandwich material positive charge and to Glass tape application negative electrical charge (or in turn).Then the combination of the sandwich material/glass tape is wound into a roll, wherein, glass It is separated from each other between the continuous volume of band by interlay er material.Due to positively charged sandwich material and negatively charged glass Electrostatic attraction between pantostrat, significantly enhances stability of the volume of winding in subsequent transportation and processing.Attempting to make When obtaining the camber effect minimum in glass tape, when volume with low-down tension force (for example, less than 0.25 pound/linear inch, comparing Compared with for, conventional coil winding process parameter is 1-2 pounds/linear inch) it is even more so when being wound, low-down tension force is led Low interlayer pressure is caused (for example, less than 7 pounds/square inch, comparatively speaking, conventional coil winding process parameter is 10-50 Pound/square inch).That is, the low-pressure of interlayer is to cause a layer phase in the low web tension in winding process, and volume The factor mutually slided.But, using electrostatic fix help to reduce or prevent slippage, otherwise can produce have it is not straight The volume of side wall.In addition, alternate positively charged layer and negatively charged layer cause the net neutral winding of glass, so as to will not produce Any shock hazard.
The supplementary features and advantage of the present invention, Partial Feature and advantage pair therein are proposed in the following detailed description It is readily appreciated that for those skilled in the art by the content, or implements this hair by the citing in word description and accompanying drawing It is bright and be realized.It should be understood that the example of foregoing general description and the following detailed description all simply to the present invention, for carrying For understanding the property of claimed invention and the overview of characteristic or framework.
Including accompanying drawing provide the principle of the invention is further understood, accompanying drawing is incorporated in the present specification and constituted A part for specification.Accompanying drawing illustrates one or more embodiments of the present invention, and for being used together with specification Bright principle of the invention and operation.It should be understood that the various features of the invention disclosed in the present description and drawings can be with It is applied in combination with any and all., can be by described in following aspect, by the present invention as nonrestrictive example Various features are mutually combined.
According to the 1st aspect there is provided glass volume, it includes:
The glass tape and sandwich material of volume together, so that they are arranged with alternating layer,
Wherein, by electrostatic force so that interlay er material is fixed with adjacent glass belt, wherein, the value of the electrostatic force So that drawing when causing the shearing force needed for being slided between sandwich material and glass tape to be fixed together more than or equal to unused electrostatic Play the shearing force needed for being slided between sandwich material and glass tape 10 times.
According to the 2nd aspect there is provided being rolled up according to the glass of one side, the value of wherein electrostatic force causes when described quiet When electric power fixes sandwich material and glass tape in the contact area of 176 square inches (1135 square centimeters), cause interlayer The shearing force needed for slip between material and glass tape is more than 100 ounces (2835 grams).
According to the 3rd aspect there is provided the glass volume according to the 1st or the 2nd aspect, wherein, the thickness of glass tape≤ 0.3mm。
According to the 4th aspect there is provided the method for winding glass, it includes:
Glass tape is conveyed relative to the first charging head, so that glass tape has the first electric charge;
Sandwich material is conveyed relative to the second charging head, so that sandwich material has the second electric charge;
It is the glass tape and sandwich material is arranged side by side so that the first electric charge and the second electric charge attract each other, so that glass Glass band and sandwich material contact with each other fixation;And
Fixed glass tape and sandwich material are wound into the volume of the alternating layer comprising glass tape and sandwich material together.
According to the 5th aspect there is provided the method for the 4th aspect, wherein first charging head and the second charging head across Cross gap to be adjacently positioned, the transport path of wherein sandwich material and glass tape extends through gap, and does not arrange in gap Roller.
According to the 6th aspect there is provided the method for the 4th or the 5th aspect, wherein the first charging head does not connect with glass tape Touch.
According to the 7th aspect there is provided the method for any one of the 4-6 aspect, wherein, first electrode and second electrode Spacing range be 1-4 inches (2.5-10cm).
According to the 8th aspect there is provided the method for the 7th aspect, this method is also included when sandwich material and glass tape are quiet After electricity is fixed together, they are guided, so that the increase with coil diameter is prevented, sandwich material and glass tape and One electrode or second electrode come in contact.
According to the 9th aspect there is provided the method for the 8th aspect, wherein, the guiding includes making sandwich material connect with roller Touch.
According to the 10th aspect there is provided the method for the 4th aspect, wherein, the first electric charge is negative, and the second electric charge is just 's.
According to the 11st aspect there is provided the method for the 4th or the 10th aspect, wherein, the first electric charge and the second electric charge are Balance, so that volume has net neutral charge.
According to the 12nd aspect there is provided the method for any one of the 4-11 aspect, wherein, the first electric charge and the second electricity The difference of lotus is 24-36kV.
According to the 13rd aspect there is provided the method that unwinding glass is rolled up, what the glass volume was fixed together with electrostatic The layer of glass tape and sandwich material, methods described includes:
From volume separation first layer glass tape and sandwich material;
Sandwich material is peeled off from glass tape;And
Neutralize the electrostatic charge on glass tape.
According to the 14th aspect there is provided the method for the 13rd aspect, it also includes neutralizing the electrostatic charge on sandwich material.
According to the 15th aspect there is provided electrostatic field application devices, it includes:
Framework;
The first charging head being connected with framework, first charging head can apply electric charge in the range of first;
The second charging head being connected with framework, second charging head can apply electric charge in the range of second, wherein institute State the second charging head to be adjacently positioned across gap with the first charging head, the transport path extension of wherein sandwich material and glass tape is logical Gap is crossed, and does not arrange in gap roller;And
The roller being connected with framework, the position of the roller is adjacent with transport path, the downstream positioned at gap, and in the first He Outside second scope.
According to the 16th aspect there is provided the equipment of the 15th aspect, wherein, the transport path is positioned close to gap Center.
According to the 17th aspect there is provided the equipment of the 15th or 16 aspect, wherein, the scope in gap is 1-4 inches (2.5-10cm)。
Brief Description Of Drawings
Fig. 1 be fixed with sandwich material electrostatic and thin glass tape together with winding schematic diagram.
Fig. 2 is line 2-2 of the embodiment of the volume of glass tape and sandwich material along Fig. 1 sectional view.
Fig. 3 is the enlarged schematic partial view of Fig. 1 equipment.
Fig. 2 is line 2-2 of another embodiment of the volume of glass tape and sandwich material along Fig. 1 sectional view.
Fig. 5 is the schematic diagram of shearing force testing configuration.
Fig. 6 is the schematic diagram of the thin glass tape separated with sandwich material.
Fig. 7 is the schematic diagram of the camber in glass tape.
It is described in detail
It is unrestricted in order to explain in following detailed description, the illustrative embodiments of explanation detail are given, with Fully understanding to the various principles of the present invention is provided.But, it will be obvious to those skilled in the art that from After this specification benefits, the present invention can be implemented according to the other embodiment different from detail described herein.In addition, this Text may save the description to well-known device, method and material, in order to avoid description of the interference to the various principles of the present invention. Finally, in the case of any be applicable, identical reference represents identical element.
Herein, scope can be expressed as beginning from " about " occurrence, and/or another occurrence stops to " about ". As statement during scope, another embodiment includes beginning from a certain occurrence and/or extremely another occurrence stops.Similarly, When numerical value being expressed as into approximation with antecedent " about ", it should be understood that the occurrence constitutes another embodiment.Should be further Understand, it is all meaningful when the end points of each scope is related and unrelated to another end points.
Direction term used herein, such as up, down, left, right, before and after, top, bottom, are only with reference to the accompanying drawing drawn Speech, is not used to represent absolute orientation.
As used herein, the " one " of singulative, " one kind " and "the" include plural form, unless Clearly state.Thus, for example, the one kind " component " mentioned includes the aspect with two or more this class components, unless literary There is other explicitly indicate that in this.
1-3 describes to be used for glass tape and sandwich material electrostatic are fixed together below in conjunction with the accompanying drawings, and they is rolled up Around an embodiment of coiled equipment.
Fig. 1 be by applying electric charge to glass tape 20 and sandwich material 40 so that their electrostatic to be fixed together, and by it Be wound into a roll 10 equipment schematic diagram.Equipment includes the roller 50 for being used to guide sandwich material 40, and charge producer 60.
From process upstream 22, such as directly from forming technology, or from related to using or controlling glass tape 20 any The transmission technique of type, to supply glass tape 20.The forming technology can be that such as glass tube down-drawing, slot draw, melting are drawn Preparation method, upper daraf(reciprocal of farad) or float glass process.The transmission technique can be, for example, using (for example, applying on the surface of glass tape Functional layer or device that functional layer and/or device are either placed in advance) when transmission glass tape technique or to glass tape itself The technique being processed to ribbon surfaces (for example, apply coating;Unwinding has the glass tape of flange, removes flange, Ran Houchong Newly wind flangeless glass tape;And/or glass tape is cut into the part that one or more width reduce, then they are rolled up Around coiled).The other examples of the technique of glass tape 20, which can be transmitted, to be included, for example, the arbitrary steps after glass tape is formed, Including but not limited to, grind, polish, cleaning, in deposition on glass extra play and/or component (for example, polymer protective layer, electricity / electronic building brick or part thereof), on glass formed thin-film device (for example, transistor, electroluminescence layer etc.), cutting (including Adjust width), splicing, from another volume winding (being with or without sandwich material), wet method or plasma etching processing or stack Onto other films or structure.Process upstream can be some processes for producing glass tape 20 or some processes for processing glass tape (including roll-to-roll processing method).
As shown in Fig. 2 it is sectional view of the volume 10 along Fig. 1 line 2-2, glass tape 20 includes width 24 and thickness 26.It is thick Degree 26 can be 10-300 microns, such as 10,20,30,40,50,60,80,100,110,120,130,140,150,160, 180th, 200,210,220,230,250,260,270,280,290 or 300 microns.In addition, glass tape 20 may include flange 27, The flange is in ribbon forming processes, such as when using downdraw fusion process to form glass tape 20, in glass tape The part thickened that edge is produced.
Referring again to Fig. 1, sandwich material 40 is supplied in the roller 42 with center longitudinal axis 43.When sandwich material 40 is pulled Into when rolling up 10, volume 42 is rotated with the direction of arrow 45.Sandwich material has width 44 and thickness 46, and can be by following material Material is formed, such as polyethylene foam material (perforate or closed pore), corrugated cardboard material, or with embossed surface or grain surface The sheet material of soft polyethylene sill.Sandwich material 40 is thickness compliance, i.e., it can be compressed to a certain extent.
As shown in Figure 1-2, volume 10 can include core 14, and core 14 has center longitudinal axis 11, and core 14 is around the center longitudinal axis 11 Rotated with the direction of arrow 13.As shown in Fig. 2 volume 10 includes the glass tape 20 and sandwich material 40 for being wound into alternating layer.In volume In 10, display glass tape 20 is set to three layers, and shows that sandwich material 40 is set to four layers, but can be each to appoint in volume 10 Anticipate the suitable number of plies.As the layer in succession of glass tape 20 and sandwich material 40 is wound thereon, the diameter 12 of volume 10 increases.
In fig. 2, display glass tape 20 includes the flange 27 with thickness 32.Thickness 46 is chosen such that and works as interlayer During pressure between the layer in material volume 40, the sandwich material 40 keeps gap 30 between adjacent flange 27, from And allow glass tape 20 to be wound up into 10, without being damaged due to contacting with each other for flange 27.As illustrated, width 44 Less than width 24, but situation is not necessarily so.
Glass tape formation process can produce the glass tape of the thickness change on its width, and on the move in glass tape " camber ".Fig. 7 shows the glass tape with a certain amount of camber 5 (for purpose of explanation, the figure greatly exaggerate) 20.As can be seen, camber 5 is the continuous curvature (that is, being to the left in the figure 7) of glass tape in one direction.The curvature can be with It is due to, such as caused by the different cooling rate of its edges flange.Camber, thickness change in glass tape and residual Stay stress to cause glass tape lateral shift, rather than point-blank transport.After attempting glass tape being wound into a roll, The lateral shift causes the not straight situation of side " depression ", " flexible " or any other modes of volume, i.e. for example straight side Wall is generally included respectively generally within the edge 29 in a plane (referring to Fig. 4).
In order to overcome the influence of camber and/or thickness change in winding process, when with low web tension and low volume Interlayer pressure when being wound, glass tape is fixed with sandwich material electrostatic, and by the continuous volume phase of glass tape/sandwich material Mutual electrostatic is fixed.
Electrostatic charge, the charge producer to glass tape 20 and sandwich material 40 can be applied by charge producer 60 60 are connected by connector 61 with the first charging head 62 and the second charging head 64.First charging head 62 is adjacent with glass tape 20 to be set Put, and negative electrical charge can be applied to it.Second charging head 64 is disposed adjacent with sandwich material 40, and can apply positive electricity to it Lotus.For example, charge producer 60 can be the bipolarity of the model 7306 of MKS Ion Systems Inc. (MKS Ion Systems) Charge producer, and charging head 62,64 can be available from same companies (recently by Simco corporate buyouts, its office be located at U.S. Pennsylvania of state state Heartfield (Hatfield Pennsylvania USA)) model 7430 contactless charging Head.Certainly, alternatively, positive charge can also be applied to glass tape 20, and negative electrical charge is applied to sandwich material 40.Electric charge is produced Device 60 can be set as example, the electric charge of one into charging head 62,64 application 13.5-16kV direct current, and to charging head 62, In 64 another apply minus 13.5 to negative 16kV direct currents electric charge so that, can have 27-32kV between charging head 62 and 64 straight The charge difference of stream.Charging head 62,64 applies electric charge to glass tape 20 and sandwich material 40 respectively;They not only cause glass tape 20 and sandwich material 40 present in charge polarization.It is fixed together to be applied with sandwich material 40 in order that obtaining glass tape 20 The quantity of electric charge depend on glass tape 20 thickness and sandwich material 40 characteristic, the material class of such as its thickness and manufacture Type.Charging head 62,64 extends through overlapping whole width between glass tape 20 and sandwich material 40 (preferably In, lap is whole width 44), but this is not essential.Alternatively, charging head 62,64 can extend through only one Partial width 24,44, or can extend through the various pieces of width 24,44, so that along glass tape 20 and interlayer material The length of material 40 applies electric charge with single continuous strip.In addition, although charging head 62,64 is in glass tape 20 and sandwich material 40 The region of continuous electric charge, still, what this nor is it necessary that are provided in length.For example, charging head can be intermittently power-on, make The zone of dispersion for applying electric charge along the length of glass tape 20 and sandwich material 40 is obtained, so that their spacer segment is fixed on Together.
Before glass tape 20 and sandwich material 40 coiled 10, the electric charge being applied on glass tape 20 and sandwich material 40 will They are kept together, and the continuous volume for the sandwich material 40 of glass tape 20/ rolled up in 10 is mutually kept together.Namely Say, the combination of the sandwich material 40 of glass tape 20/ will not be slided relative to another combination of the sandwich material 40 of glass tape 20/ It is dynamic, a top wound on another in the two combinations.But, volume 10 itself is net neutral, because glass tape 20/ The electric charge of the adjacent volume of sandwich material 40 is mutually balanced.Due to by electrostatic charge by the sandwich material 40 of glass tape 20/ Continuous volume is mutually kept together, and volume 10 is highly stable certainly during transport and storage.For example, using described above Technology, can by length be more than 800 feet (240m) glass tape be wound into together with sandwich material with straight side wall Volume, then by truck on the distance more than 500 miles (300 kilometers), successfully being transported with the direction of level (will not make Into the loss of the glacing flatness of side wall);And unwinding enters follow-up involving in and rolls out technique, for example flange is removed.Due to glass tape Electrostatic between 20 and sandwich material 40 and between the continuous volume of the sandwich material 40 of glass tape 20/ is fixed, in winding process, Can be with low between the low-tension on coiled material (glass tape 20 and/or sandwich material 40) and glass tape 20 and sandwich material 40 Pressure is wound to volume 10, as described above.But, even the low-pressure so between low web tension and volume middle level Mutual slip will not also occur for the layer in (it is used to manufacture the glass volume with straight side wall), volume.Therefore, the side wall of volume is still It is straight.In addition, selection sandwich material 40 is as good dielectric (glass tape 20 is same), so as to long-term (i.e., About several years) maintain the electrostatic force of fixed glass tape 20 and sandwich material 40.For example, fixing and rolling up using electrostatic as described herein Around condition, the ethene by Corning Incorporated's (Corning) glass numbering 0211 (thickness is 100 microns of glass tape) with cross-linking radiation Vinyl acetate (EVA copolymer foam, thickness is 1/32 inch (0.8mm)) (is purchased from Massachusetts spencer city Fu Laikang Company (FLEXcon of Spencer, MA), FLEXcon P.E.F.32 white without PS) sandwich material be wound into a roll, with water Flat direction is placed in unadjusted environment, after a year and a half, there is no indication that electric-charge-dissipating;Volume maintains its straight side Wall.It is expected that other types are also similar result with the glass of thickness.
As shown in figure 3, charging head 62,64 can be the portion for the electrostatic field bringing device 80 for including framework 82 and guide reel 70 Point.
Charging head 62,64 is arranged on framework 82 so that they are separated from each other with gap 66, and the gap 66 has distance 67 With center 69.The scope of distance 67 can be for example, 1-4 inches (2.5-10cm).Adjust the distance and 67 selected so that glass tape 22 and sandwich material 40 mutually close proximity pass through so that the phase immediately after they are charged by respective charging head 62,64 It is mutually fixed.Therefore, the possibility that particle is attracted to glass tape 20 or interlayer 40 is there's almost no, so that glass 20 can be tieed up Hold the state of cleaning.Particle on the surface of glass tape 20 can cause the difficulty being processed further of glass tape, be applied to glass tape The damage of 20 structure, or its own face of glass tape 20 destruction, and then cause the rupture of glass tape 20.Transmission path 68 is prolonged Extend through the center 69 in gap 67, and the tangent line of the overall diameter along guide reel 70.
Guide reel 70 is arranged on framework 82, and positioned at the downstream of charging head 62,64, distance is 78.Chosen distance 78, So that roller 70 is close to charging head, but do not fall in the electric field applied by charging head.Glass tape 20 and sandwich material 40 are in The both sides of the heart 69 enter gap 67, and when they reach guide reels 70, they are fixed with each other and along transmission path 68 It is mobile.The position of guide reel 70 also cause its center 72 with volume 10 the longitudinal axis 11 lateral separation be 74 so that its overall diameter with The distance of the overall diameter of core 14 is 76.Distance 76 is also the distance from transmission path 68 to the overall diameter of core 14.By suitably The diameter (and distance 74) of chosen distance 76 (relative to distance 67) and roller 70, glass tape 20 and interlayer 40 can be passed continuously It is defeated by gap 67, when they wind around core 14 for the first time and afterwards when glass tape 20 and sandwich material 40 are around core 14 Continuous volume cause the diameter 12 of volume 10 when increasing in direction 17, they will not contact charging head 62,64.If distance 76 than away from Big from 67 too many, then glass tape 20 can contact charging head 62 in initial winding core 14.As distance 74 diminishes, then volume 10 is accommodated The space of diameter 12 of growth diminish, this so limit the amount of the glass tape 20 that can be arranged into volume 10.If distance 74 Sufficiently large, then diameter 12 can grow beyond transmission path 68 upwards, but contact roller 70 by sandwich material 40, understand suitably phase The sandwich material 40 of glass tape 20/ is maintained for transmission path 68 (and not contacting charging head 64).With the growth of diameter 12, glass The sandwich material 40 of band 20/ can increasingly be bent around roller 70.Therefore, it is necessary to select the diameter of roller 70 sufficiently large (relative to glass For thickness 26 and Young's modulus with 20), so as to avoid the fracture of glass tape 20.
One alternate embodiments of Fig. 4 displays volume 10, this is due to glass tape 20 and the respective replacement of sandwich material 40 Caused by embodiment.It should be understood that glass tape 20 shown in this Fig is (i.e. because it forms no flange or due to it Flange is eliminated in advance, causes it not have flange) it can be used for Fig. 2 sandwich material 40 (one), and the folder in the figure Layer material 40 (distance i.e. each other is 41 single sandwich material bar 48 and 49) can be used for Fig. 2 glass tape 20 (i.e. Glass tape with flange 27).It is the physics structure of glass tape 20 and sandwich material 40 with the main difference of the configuration in Fig. 2 Type.Therefore, for the ease of description, it will these differences are mainly described, while understanding that remaining property and similar feature (use phase Same numbering is represented) it is still identical.
As shown in figure 4, sandwich material 40 is formed as first 48 and Article 2 49, separated distance is 41.Although only showing Two bars 48,49 are shown, the bar of any suitable number can be used.Sandwich material 40 includes thickness 46.Glass tape 20 includes side The edge of edge 29, its edge formed when can be shaping, or cutting.In this embodiment, charging head 62,64 is entered Row is properly configured, so as to only in overlapping region, on width 24, be applied between the bar 48,49 of glass tape 20 and sandwich material 40 Power up lotus.
The method for further disclosing the volume 10 to form glass tape 20 and sandwich material 40, wherein volume 10 have volume processing, Straight side wall is maintained during transport and storage.By applying suitable electrostatic to the glass tape 20 and sandwich material 40 that are winding Electric charge, i.e., it is roughly equal and opposite, it can set up suitable attraction between the layer of glass tape and sandwich material 40, and Suitable attraction is set up between the continuous volume of glass tape/sandwich material, so as to be reached in volume 10 and maintain straight side wall.
From process upstream 22 along direction 23, by the first charging head 62, and towards volume 10 feed glass bands 20, the volume 10 are rotated with direction 13.Charge producer 60 applies for example minus 13.5 to negative 16kV voltage to charging head 62, so as to glass Band 20 applies negative electrical charge.The almost same time of volume 10 is fed in glass tape 20, and sandwich material 40 is from rotating with direction 45 42 unwindings are rolled up, and are fed along direction 47.Sandwich material 40 is carried out relative to the charging head 64 of volume 10 and second by guide reel 50 Place.Charge producer 60 applies such as 13.5 to 16kV voltage to the second charging head 64, so as to apply to sandwich material 40 Positive charge.Side by side, thus positive charge and negative electrical charge attract each other for glass tape 20 and sandwich material 40, so as to by glass tape 20 and press from both sides The electrostatic of layer material 40 is fixed together.Fixed glass tape 20 and sandwich material 40 is wound into a roll 10 together, wherein, glass tape The continuous volume of 20/ sandwich material 40 also interfixes so that during the transport and storage of volume 10, and continuous volume will not occur relative Slide.Volume (breaking roll) 42 for example can be compressed by steel, applied to sandwich material 40 by any appropriate mode Plus the tension force of≤0.25 pound/linear inch (pli) (44N/m).≤ 0.25pli (44N/m) tension force causes glass tape 20 and folder Pressure≤7 pound/square inch (48kPa) between the adjacent layer of layer material 40.Diameter 12 with volume 10 increases on direction 17 Long, roller 70 prevents the sandwich material 40 of glass tape 20/ from being come in contact with the second charging head 64.
It is quiet in order to which the pantostrat of glass tape 20 and sandwich material 40 keeps together during the transport and storage of volume 10 Electric power must be sufficiently strong.A kind of measurement that quantification is carried out to electrostatic force is to cause sandwich material 40 relative to glass by increase With the required shearing force of 20 movements.That is, so that sandwich material 40 is relative to glass tape 20 when electrostatic is fixed together So that sandwich material 40 is carried out relative to the shearing force that glass tape 20 is moved when mobile shearing force is fixed together with non-electrostatic Contrast.Referring to Fig. 5, the present inventor has carried out following test, wherein, being 176 square inches by area 100, (1135 is flat Square centimetre) sandwich material 40 be placed on glass tape 20.Sandwich material 40 is pulled with the direction of arrow 102.Tensiometer will be pulled It is connected with sandwich material 40 on a point, and causes sandwich material 40 to start to slide relative to glass tape 20 for measurement Required active force.When being fixed in the absence of electrostatic, it is necessary to which the active force of 10 ounces (283 grams) is come so that sandwich material 40 starts Slided on glass tape 20.When in the manner described above (the inventors found that its enable to volume 10 transmission and During storage, be appropriately relative to glass tape 20 and keep sandwich material 40), by identical sandwich material 40 (size of material and Type) when being fixed together with the electrostatic of identical glass tape 20, it is necessary to which the active force of 160 ounces (4536 grams) causes interlayer material Material 40 starts to slide relative to glass tape 20.Due to using identical sandwich material 40 and identical glass in several cases Band 20, eliminates any difference of the shearing force caused by the coefficient of friction difference between such as two kinds materials.Therefore, when When sandwich material and glass static electrification are fixed together so that sandwich material starts to move required shearing force relative to glass tape More than 10 times in the case of loose sandwich material and glass tape.Although Fig. 5 configuration class of 20/ sandwich material of glass tape 40 Fig. 2 is similar to, but the test may be equally applied to the configuration shown in Fig. 4, because it is fixed based on region electrostatic, wherein, Region herein is same to be extended to the contact area between sandwich material 40 and glass tape 20.
Then, referring to Fig. 6, the method that unwinding is carried out to volume 10 is described.Volume 10 is rotated with the direction of arrow 15, with interlayer The layer for the glass tape 20 that material 40 is fixed together is transferred to roller 50.Sandwich material 40 is rotated around roller 50, so that with arrow 19 direction motion, and glass tape 20 continues on the direction of arrow 25.So as to, by glass tape 20 and sandwich material 40 it Between apply peeling force (opposite with shearing force) so that glass tape 20 and sandwich material 40 are separated near the position of close roller 50. But, after sandwich material 40 has been peeled off from glass tape 20, these elements still each retain their institutes in winding process The electric charge of band.So as at that point, arrange the first and second neutralizations first 90,92.Described neutralize first 90,92 can be, for example MKS Ion Systems Inc. model 8001KDT neutralizer bar, its (not shown) that can be connected with the power supply of model 8100.In first Electric charge on glass tape 20 has been neutralized with first 90, and second neutralizes first 92 and has neutralized electric charge on sandwich material 40.By in stripping From an electric charge for neutralization glass tape 20, possibility of the glass tape attraction departing from desired particle is reduced.
It should be emphasized that, above-mentioned embodiment of the invention, particularly any " preferably " embodiment, are only to realize Embodiment, merely to be clearly understood that the present invention various principles and state.Can be not deviate substantively from the present invention's In the case of spiritual and various principles, the above-mentioned embodiment to the present invention carries out many changes and adjustment.Herein, own These adjustment and change are included within this specification and the scope of the present invention, and are protected by appended claims.
For example, although the core shown in figure does not include the edge of a wing in end, but can also include the edge of a wing.In addition, the wing Edge, which can be permanently fixed, to be on core, or can be detachable.
In addition, though showing four layer interlayer materials and triplex glass band in figure just on volume, but there may be and appoint A kind of layer of any suitable number.
In addition, although display charging head 62,64 is contactless charging head, but can also use other kinds of charging Head.It is, for example, possible to use the charging roller or charging brush (such as carbon fiber brush) that are contacted with glass tape 20 and sandwich material 40.It is similar Ground, although it is non-contact type that display, which neutralizes first 90,92, but can also use other kinds of neutralization head, such as with interlayer Those of material or glass tape contact.

Claims (18)

1. a kind of glass volume, it includes:
The glass tape and sandwich material of volume together, so that they are with the volume comprising glass tape and the alternating layer of sandwich material Arrangement,
Wherein, by electrostatic force so that interlay er material is fixed with adjacent glass belt, wherein, the continuous volume of the volume passes through Electrostatic force interfixes, the value of the electrostatic force to cause slided between sandwich material and glass tape needed for shearing force be more than Or cause 10 times of the shearing force needed for being slided between sandwich material and glass tape when being fixed together equal to unused electrostatic.
2. glass volume as claimed in claim 1, it is characterised in that the value of the electrostatic force to work as the electrostatic force by interlayer When material is fixed with glass tape in 1135 square centimeters of contact area, cause the slip institute between sandwich material and glass tape The shearing force needed is more than 2835 grams.
3. glass volume as claimed in claim 1 or 2, it is characterised in that thickness≤0.3mm of the glass tape.
4. a kind of method being wound to glass, it includes:
Glass tape is conveyed relative to the first charging head, so that glass tape has the first electric charge;
Sandwich material is conveyed relative to the second charging head, so that sandwich material has the second electric charge;
It is the glass tape and sandwich material is arranged side by side so that the first electric charge and the second electric charge attract each other, so that glass tape Contacted with each other fixation with sandwich material;And
Fixed glass tape and sandwich material are wound into the volume of the alternating layer comprising glass tape and sandwich material together, wherein, The mutual electrostatic of continuous volume of the volume is fixed.
5. method as claimed in claim 4, it is characterised in that first charging head and the second charging head are adjacent across gap Arrangement, the transport path of wherein sandwich material and glass tape extends through gap, and do not arrange in gap roller.
6. the method as described in claim 4 or 5, it is characterised in that first charging head is not contacted with glass tape.
7. the method as described in claim 4 or 5, it is characterised in that the spacing range of the first charging head and the second charging head is 2.5-10cm。
8. method as claimed in claim 7, methods described also includes working as sandwich material and glass static electrification is fixed together it Afterwards, they are guided, so that the increase with coil diameter is prevented, sandwich material and glass tape and the first charging head or second Charging head comes in contact.
9. method as claimed in claim 8, it is characterised in that the guiding includes making sandwich material contact with roller.
10. method as claimed in claim 4, it is characterised in that the first electric charge is negative, and the second electric charge is positive.
11. the method as described in claim 4 or 10, it is characterised in that the first electric charge and the second electric charge are balances, so that It must roll up with net neutral charge.
12. the method as described in claim 4 or 10, it is characterised in that the difference of the first electric charge and the second electric charge is 24-36kV.
13. a kind of method of unwinding glass volume, glass tape that the glass volume is fixed together with electrostatic and sandwich material Layer, and the continuous volume for the volume fixed with mutual electrostatic, methods described include:
From volume separation first layer glass tape and sandwich material;
Sandwich material is peeled off from glass tape;And
Neutralize the electrostatic charge on glass tape.
14. method as claimed in claim 13, methods described also includes neutralizing the electrostatic charge on sandwich material.
15. a kind of electrostatic field application devices, it includes:
Framework;
Core;
The first charging head being connected with framework, first charging head can apply electric charge in the range of first;
The second charging head being connected with framework, second charging head can apply electric charge in the range of second, wherein described Two charging heads are adjacently positioned with the first charging head across gap, between the transport path of wherein sandwich material and glass tape is extended through Gap, and roller is not arranged in gap so that the glass tape and sandwich material can be continuously transmitted by gap, without contacting Charging head, and the volume comprising the glass tape rolled with alternating layer and sandwich material is rolled into around the core, wherein, the volume it is continuous Mutual electrostatic is rolled up to fix;And
The roller being connected with framework, the position of the roller is adjacent with transport path, the downstream positioned at gap, and first and second Outside scope.
16. equipment as claimed in claim 15, it is characterised in that the transport path is positioned close to the center in gap.
17. the equipment as described in claim 15 or 16, it is characterised in that the scope in the gap is 2.5-10cm.
18. the equipment as described in claim 15 or 16, it is characterised in that the roller is centrally located at the horizontal stroke of the longitudinal axis of the volume To distance, the core rotates around the longitudinal axis, wherein, the overall diameter of the roller is located at the distance of the overall diameter of the core, should be away from From being with a distance from overall diameter from transmission path to core.
CN201280052285.2A 2011-10-31 2012-10-24 The glass volume that electrostatic is fixed, and its manufacture method and equipment Active CN104039717B (en)

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